1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messageboards.service.permission;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.security.auth.PrincipalException;
28  import com.liferay.portal.security.permission.ActionKeys;
29  import com.liferay.portal.security.permission.PermissionChecker;
30  import com.liferay.portal.util.PropsValues;
31  import com.liferay.portlet.messageboards.model.MBCategory;
32  import com.liferay.portlet.messageboards.model.MBMessage;
33  import com.liferay.portlet.messageboards.service.MBBanLocalServiceUtil;
34  import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
35  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
36  
37  /**
38   * <a href="MBMessagePermission.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   */
42  public class MBMessagePermission {
43  
44      public static void check(
45              PermissionChecker permissionChecker, long messageId,
46              String actionId)
47          throws PortalException, SystemException {
48  
49          if (!contains(permissionChecker, messageId, actionId)) {
50              throw new PrincipalException();
51          }
52      }
53  
54      public static void check(
55              PermissionChecker permissionChecker, MBMessage message,
56              String actionId)
57          throws PortalException, SystemException {
58  
59          if (!contains(permissionChecker, message, actionId)) {
60              throw new PrincipalException();
61          }
62      }
63  
64      public static boolean contains(
65              PermissionChecker permissionChecker, long messageId,
66              String actionId)
67          throws PortalException, SystemException {
68  
69          MBMessage message =  MBMessageLocalServiceUtil.getMessage(messageId);
70  
71          return contains(permissionChecker, message, actionId);
72      }
73  
74      public static boolean contains(
75              PermissionChecker permissionChecker, MBMessage message,
76              String actionId)
77          throws PortalException, SystemException {
78  
79          long groupId = message.getGroupId();
80  
81          if (MBBanLocalServiceUtil.hasBan(
82                  groupId, permissionChecker.getUserId())) {
83  
84              return false;
85          }
86  
87          MBCategory category = MBCategoryLocalServiceUtil.getCategory(
88              message.getCategoryId());
89  
90          if (PropsValues.PERMISSIONS_VIEW_DYNAMIC_INHERITANCE) {
91              if (!MBCategoryPermission.contains(
92                      permissionChecker, category, ActionKeys.VIEW)) {
93  
94                  return false;
95              }
96          }
97  
98          if (permissionChecker.hasOwnerPermission(
99                  message.getCompanyId(), MBMessage.class.getName(),
100                 message.getMessageId(), message.getUserId(), actionId)) {
101 
102             return true;
103         }
104 
105         return permissionChecker.hasPermission(
106             groupId, MBMessage.class.getName(), message.getMessageId(),
107             actionId);
108     }
109 
110 }